diff --git a/includes/data-stores/class-wc-customer-data-store.php b/includes/data-stores/class-wc-customer-data-store.php
index 5f10e9f6840..6a4d6f62b0f 100644
--- a/includes/data-stores/class-wc-customer-data-store.php
+++ b/includes/data-stores/class-wc-customer-data-store.php
@@ -140,10 +140,10 @@ class WC_Customer_Data_Store extends WC_Data_Store_WP implements WC_Customer_Dat
 	 * @throws Exception If invalid customer.
 	 */
 	public function read( &$customer ) {
-		$user_object = get_user_by( 'id', $customer->get_id() );
+		$user_object = $customer->get_id() ? get_user_by( 'id', $customer->get_id() ) : false;
 
 		// User object is required.
-		if ( ! $customer->get_id() || ! $user_object || empty( $user_object->ID ) ) {
+		if ( ! $user_object || empty( $user_object->ID ) ) {
 			throw new Exception( __( 'Invalid customer.', 'woocommerce' ) );
 		}